<span>First option is correct
Both methods are correct, since you are counting all possible arrangements of 5 items taken 5 at a time.</span>
Answer:
Step-by-step explanation:
Given that sample size = n=45
mu = 64 and sigma =14
a) Sample mean will follow a normal distribution irrespective of the original distributions provided
i) samples are randomly drawn
ii) samples represent the population
iii) Sample size is sufficiently large
b) Here we have sample std dev= 

c) 
Answer:
he action or condition of becoming or being made wider, larger, or more open.
Step-by-step explanation:
Answer:
y= -1 and x = 10
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
Use the pythagorean theorem to find the answer.
a^2+b^2=c^2